Referências:
- http://www.homecuresthatwork.com/slideshow/Top-6-Anti-Aging-supplements
- http://www.lifescript.com/Health/centers/Alzheimers/tips/5_anti-aging_supplements_worth_taking.aspx
- http://blog.LEF.org/2013/10/the-top-3-Anti-Aging-supplements.html